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Molded Case Circuit Breaker

For circuit breaker systems in commercial and industrial facilities, molded case circuit breakers are among the most widely used components for reliable overcurrent protection and electrical distribution. Molded case circuit breakers provide automatic circuit interruption during overload or short circuit conditions, protecting electrical systems and equipment from damage while enabling manual switching control. Electrical.com carries an extensive selection of molded case circuit breakers from all major manufacturers, including new, used, surplus, and re-certified options. These components are designed to meet the diverse needs of commercial buildings, manufacturing facilities, data centers, and industrial power distribution applications.
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Part Number
PRICE
Manufacturer
Amperage
Voltage
FAZ-C1.6/3-NA
FAZ-C1.6/3-NA
Limited Stock
From
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Cutler Hammer
1.6
480
FAZ-D1/4-NA
FAZ-D1/4-NA
Limited Stock
From
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Cutler Hammer
1
480
FD2015S
FD2015S
Limited Stock
From
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Eaton
15
600
FDB1015L
FDB1015L
Limited Stock
From
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Eaton
15
347
FDB1020L
FDB1020L
Limited Stock
From
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Eaton
20
347
FDB1030L
FDB1030L
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Eaton
30
347
FDB2015S
FDB2015S
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Eaton
15
600
FDB2030S
FDB2030S
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Eaton
30
600
FDB3050S
FDB3050S
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Eaton
50
600
FDB3225S
FDB3225S
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Eaton
225
600
FDC3200S
FDC3200S
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Eaton
200
600
GFCB120CS
GFCB120CS
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Cutler Hammer
20
120
GFCB130CS
GFCB130CS
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From
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Cutler Hammer
30
120
GFCB140
GFCB140
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Cutler Hammer
40
120
GFCB140CS
GFCB140CS
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Cutler Hammer
40
120
GFCB230CS
GFCB230CS
Limited Stock
From
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Cutler Hammer
30
240
GFCB250CS
GFCB250CS
Limited Stock
From
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Cutler Hammer
50
240
GFCBH115
GFCBH115
Limited Stock
From
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Cutler Hammer
15
120
GFEP125
GFEP125
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Cutler Hammer
25
120
GFEP250
GFEP250
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Cutler Hammer
50
240
GFXB115B2
GFXB115B2
Limited Stock
From
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Cutler Hammer
15
120
GFXB120B2
GFXB120B2
Limited Stock
From
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Cutler Hammer
20
120
GFXB130B2
GFXB130B2
Limited Stock
From
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Cutler Hammer
30
120
GI1060
GI1060
Limited Stock
From
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Cutler Hammer
60
480
Popular Molded Case Circuit Breaker Manufacturers

Electrical.com stocks the largest inventory of molded case circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified MCCBs available for immediate shipment. From standard thermal-magnetic breakers to electronic trip units across all amperage ratings, we have what you need when others say no. Our comprehensive molded case circuit breaker inventory spans all voltage and current ratings, frame sizes, and interrupting capacities from all major manufacturers including current production and discontinued models from legacy suppliers. Available in new factory condition, surplus stock, and re-certified options‚ All backed by our standard 2-year Electrical.com warranty. Our molded case circuit breakers serve critical applications across commercial buildings, industrial facilities, manufacturing plants, data centers, healthcare facilities, distribution panels, motor control centers, switchboards, and power distribution systems.


Whether you're maintaining legacy equipment with obsolete MCCB models or sourcing current production breakers for new installations and retrofits, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime. Need molded case circuit breakers now? Call 877-999-7077 or email [email protected]. With same-day shipping available and the right parts ready to ship from our nearest warehouse location, Electrical.com gets your operations back online fast. We can say yes when others have to say no.